Home / 12,246.25-18,370.68-3,923.29

Finding the Fourth Proportional to 12,246.25, 18,370.68 and 3,923.29

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Solution

The fourth proportional to 12,246.25, 18,370.68 and 3,923.29 is: 5,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.25 : 18,370.68 = 3,923.29 : x
  2. Step 2: Convert to fraction form
    12,246.25/18,370.68 = 3,923.29/x
  3. Step 3: Cross multiply
    12,246.25x = 18,370.68 × 3,923.29
  4. Step 4: Simplify right side
    12,246.25x = 72,073,505.14
  5. Step 5: Solve for x
    x = 72,073,505.14/12,246.25
  6. Step 6: Final answer
    x = 5,885.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.